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Re: [Qemu-ppc] [PATCH qom-cpu-next] e500: Replace open-coded loop with q
From: |
Alexander Graf |
Subject: |
Re: [Qemu-ppc] [PATCH qom-cpu-next] e500: Replace open-coded loop with qemu_get_cpu() |
Date: |
Fri, 15 Feb 2013 17:45:03 +0100 |
On 15.02.2013, at 15:35, Andreas Färber wrote:
> Am 15.02.2013 15:29, schrieb Alexander Graf:
>>
>> On 15.02.2013, at 15:25, Andreas Färber wrote:
>>
>>> Since we still need env for ppc-specific fields, obtain it via the new
>>> env_ptr fields to avoid "cpu" name conflicts between CPUState and
>>> PowerPCCPU for now.
>>>
>>> This fixes a potential issue with env being NULL at the end of the loop
>>> but cpu still being a valid pointer corresponding to a previous env.
>>>
>>> Signed-off-by: Andreas Färber <address@hidden>
>>> ---
>>> Alex, this is a rebased and slimmed-down version of yesterday's paste.
>>> Can you ack please? Thanks, /-F
>>
>> In your QOM conversion you also converted other places like this. Have you
>> verified that these don't suffer from the same problem?
>
> Not yet. Not all callers are using this pattern though, so solutions
> would differ and be per-case patches.
This specific patch is:
Acked-by: Alexander Graf <address@hidden>
However, please make sure to fix the other places too :)
Alex
>
> At some point I obviously intend to change first_cpu and ->next_cpu to
> CPUState and have been wondering whether we can use QTAILQ macros or
> anything else more "standardized", with better iteration support.
>
> Andreas
>
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